File: src/components/button/Button.vue

<template>
    <button>
        <slot></slot> <!-- slot button content -->
    </button>
</template>

<script>
    export default {
        name: 'Button',
    }
</script>

<style lang="scss" scoped>
    button {
        background: #3869ff;
        color: #fff;
        border: 0px solid;
        padding: 10px 20px;
        cursor: pointer;
        transition: all;
        border-radius: 4px;

        &:hover{
            opacity: 0.9;
        }
    }
</style>